<!DOCTYPE html><html><head>    <title>JSP - Hello World</title></head><body><h1>index page</h1><form action="/employee" method="post">    <input type="hidden" name="action" value="sign_in">    <input type="number" name="id" placeholder="ID" required>    <br>    <input type="password" name="password" placeholder="PASSWORD" required value="123">    <br>    <input type="submit" value="Sign in">    <a href="sign_up.jsp">Sign up</a></form><h1 style="color: #0f5132;"></h1><p style="color: #842029;">Invalid visit.</p>application-value<br>session-value<br>request-value<br>page-value</body></html>
